Unfortunately there is no undisputed heavyweight champion.
david haye
Muhammad Ali
vladimir klitschko vladimir klitschko
It is Mike Tyson when he was fighting with Trevor Berbick He became the youngest heavyweight champion in history.
The current heavyweight boxing champion is Wladmir Klitschko.
Amir Khan
terry terry
joe louis
Wladimir Klitschko & viltally Klitschko
boxing
Boxing